#include <hd_led.h>
#include <hd_oled_protocol_i2c.h>
#include <hd_oled.h>
#include <delay.h>
#include <pd_adc.h>
#include <pd_adc_reg.h>
#include <stddef.h>
#include <pd_i2c_hd.h>
#include <hd_flash.h>
#include "main.h"

#define OLED_PROTOCOL       2   // Select a protocol. SPI, 1; I2C, 2;
#define OLED_PROTOCOL_IMPL  2   // Select a implement. simulate, 1; hardware, 2;

static OLED *oled;

void oled_instance();

extern void SystemClock_Config(void);

int main(void) {
    SystemClock_Config();

    NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_2);

    oled_instance();

    oled->showString(oled, 0, 00, "ADC");
    oled->showString(oled, 0, 16, "ADValue:");
    oled->showString(oled, 0, 32, "Voltage:0.00V");

    // PC0 -- ADC123_IN10
    GPIO *adcGPIO[] = {GPIOBuilder.build(GPIOC, LL_GPIO_PIN_0),};
    ADCCh *adcChannel = ADCChBuilder.build(adcGPIO, 1, NULL, 0, NULL, 0);
    ADCBase *adcBase = ADCBaseBuilder.build(ADC1, adcChannel, LL_ADC_SEQ_SCAN_DISABLE);
    ADCRegular *adcRegular = ADCRegularBuilder.build(adcBase, LL_ADC_REG_TRIG_SOFTWARE,
                                                     LL_ADC_REG_SEQ_SCAN_DISABLE,
                                                     LL_ADC_REG_CONV_SINGLE,
                                                     LL_ADC_REG_DMA_TRANSFER_NONE);
    adcRegular->init(adcRegular);

    while (1) {
        const uint16_t ad = adcRegular->getValue(adcRegular, LL_ADC_REG_RANK_1, LL_ADC_CHANNEL_10,
                                                LL_ADC_SAMPLINGTIME_56CYCLES);
        oled->printf(oled, 64, 16, "%4d", ad);

        const float voltage = (float) ad / 4095 * 3.3;
        oled->printf(oled, 64, 32, "%d", (uint32_t) voltage);
        oled->printf(oled, 80, 32, "%2d", (uint16_t) (voltage * 100) % 100);
        oled->refresh(oled);

        delay_ms(100);
    }
}

void oled_instance() {
#if OLED_PROTOCOL == 1
    GPIO *sckGPIO = GPIOBuilder.build(GPIOA, LL_GPIO_PIN_5); // Clock, SPIx_SCK
    GPIO *sdaGPIO = GPIOBuilder.build(GPIOA, LL_GPIO_PIN_7); // MOSI,  SPIx_MOSI
    GPIO *resGPIO = GPIOBuilder.build(GPIOA, LL_GPIO_PIN_3); // Reset, General IO, the chip reset pin is better
    GPIO *dcGPIO = GPIOBuilder.build(GPIOA, LL_GPIO_PIN_1);  // Data or Command, General IO
    GPIO *csGPIO = GPIOBuilder.build(GPIOA, LL_GPIO_PIN_2);  // Chip Select(Slave Select), General IO
    SPIGPIO *spiGPIO = SPIGPIOBuilder.build(&csGPIO, 1, sckGPIO, sdaGPIO, NULL);

#if OLED_PROTOCOL_IMPL == 1
    SPISimulate *spiObj = SPISimulateBuilder.build(spiGPIO);
#elif OLED_PROTOCOL_IMPL == 2
    SPIHardware *spiObj = SPIHardwareBuilder.build(SPI1, spiGPIO);
#endif
    SPI *spi1 = (SPI *) spiObj;
    spi1->init(spi1);
    OLEDProtocolSPI *oledProtocolObj = OLEDProtocolSPIBuilder.build(spi1, resGPIO, dcGPIO, csGPIO);

#elif OLED_PROTOCOL == 2
    GPIO *sckGPIO = GPIOBuilder.build(GPIOB, LL_GPIO_PIN_10);  // I2Cx_SCL
    GPIO *sdaGPIO = GPIOBuilder.build(GPIOB, LL_GPIO_PIN_11);  // I2Cx_SDA
#if OLED_PROTOCOL_IMPL == 1
    I2CSimulate *i2CObj = I2CSimulateBuilder.build(sckGPIO, sdaGPIO);
#elif OLED_PROTOCOL_IMPL == 2
    I2CHardware *i2CObj = I2CHardwareBuilder.build(I2C2, sckGPIO, sdaGPIO);
#endif
    I2C *i2c = (I2C *) i2CObj;
    i2c->init(i2c);
    OLEDProtocolI2C *oledProtocolObj = OLEDProtocolI2CBuilder.build(i2c);
#endif

    StorageFlash *storageFlash = StorageFlashBuilder.build();
    OLEDFont *oledFont = OLEDFontBuilder.build((Storage *) storageFlash, ENCODING_UTF8);
    oled = OLEDBuilder.build((OLEDProtocol *) oledProtocolObj, oledFont);
    oled->init(oled);
}
